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www.caida.org > publications : papers : 2012 : measuring_evolution_internet_peering
Measuring the Evolution of Internet Peering Agreements
A. Dhamdhere, H. Cherukuru, C. Dovrolis, and k. claffy, "Measuring the Evolution of Internet Peering Agreements'', Tech. rep., IFIP Networking 2012, May 2012.
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Measuring the Evolution of Internet Peering Agreements

Amogh Dhamdhere 1
Himalatha Cherukuru 2
Constantine Dovrolis 2
kc claffy 1
1

Cooperative Association for Internet Data Analysis - CAIDA,
San Diego Supercomputer Center,
University of California, San Diego

2

Georgia Institute of Technology

There is much interest in studying the structure and evolution of the Internet at the Autonomous System (AS) level. However, limitations of public data sources in detecting settlement-free peering links meant that prior work focused almost exclusively on transit links. In this work, we explore the possibility of studying the full connectivity of a small set of ASes, which we call usable monitors. Usable monitors, while a subset of the ASes that provide BGP feeds to Routeviews/RIPE collectors, are better suited to an evolutionary study than other ASes. We propose CMON, an algorithm to classify the links of usable monitors as transit or non-transit. We classify usable monitors as transit providers (large and small), content producers, content consumers and education/research networks. We highlight key differences in the evolution of connectivity of usable monitors, and measure transitions between different relationships for the same pair of ASes.

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